GOM Decommissioning — 3: Model estimates abrasive cutting costs

An empirical relationship can estimate the cost of abrasive water-jet cutting during the decommissioning of Gulf of Mexico platforms.This article is the third of a five-part series on decommissioning platforms and discusses a model that uses structure characteristics and time on site for estimating the cost of abrasive water-jet (AWJ) cutting operations. Part 2 of this series (OGJ, Oct. 4, 2004, p. 37) described the technology and contract structures associated with AWJ work.The estimated cost closely correlates to the time on site but only weakly correlates to the structure characteristics. The primary implication is that the cost of the job is uncertain until the on site time is known.A...

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